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Biology · 2022 · 3 marks
CBSE 2022 · Region 1 · Set 3 · Q7
Read the account of a natural large forest area that underwent many changes from the year 2002 to 2014 and answer the question that follow: In 2002…
Read the account of a natural large forest area that underwent many changes from the year $\displaystyle 2002$ to $\displaystyle 2014$ and answer the question that follow : In $\displaystyle 2002$ there was a large area of natural forest habitat in a country. In $\displaystyle 2007$ a canal was built midway through this natural area. This was required to meet the irrigation demand of the nearby areas. In $\displaystyle 2014$, Ecologists suggested to create green corridors connecting two fragmented parts of the initial large natural forest habitat. Explain the reason behind such suggestion by ecologists.
Marking-scheme solution
Building of canal leads to habitat loss and fragmentation which is one of the causes of loss of biodiversity, green corridor connecting two fragmented parts helps mammals and bird population to interact, and leads to biodiversity increase or restore biodiversity.
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CBSE Class 12 Biology past-paper question from the 2022 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.